This place is my favorite:
<A HREF="http://www.collphyphil.org/muttpg1.shtml">Mutter Museum</A>
Sonny's and Campo's are at 3rd St and Market St, probably the best cheeseysteaks near the Convention Center.
That area is also right in Chinatown - plenty of good asian food there. Also a good opportunity to have dim sum if none is available where y'all are from.